删除多余样式

src/components/Vcode/Vcode.scss

@@ -19,17 +19,6 @@
     border-radius: 12px;
     overflow: hidden;
   }
-  .mask {
-    position: absolute;
-    top: 0;
-    bottom: 0;
-    left: 0;
-    right: 0;
-    width: 100%;
-    height: 100%;
-    background-color: rgba(25, 25, 25, 0.2);
-    z-index: 99;
-  }
 }
 .Vcode.Counting {
   color: #999;